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7
- 小波与近似熵相结合的机械振动噪声信号分析 7近似熵实验程序-Wavelet combined with approximate entropy mechanical vibration and noise signal analysis
8
- 小波与近似熵相结合的机械振动噪声信号分析 8.复morlet小波实验程序.-8 Complex Wavelet morlet experimental procedures.
matlab
- matlab在振动分析中的应用源代码 包括各种信号处理的时域频域方法 强烈推荐 仅供学习交流-matlab in vibration analysis application source code, including various signal processing frequency domain method is strongly recommended for learning exchanges
xiaobobaoju
- 小波包能量巨程序(已做归一化处理,用于对振动信号提取特征)-Wavelet packet energy giant program (normalization process has been done for the vibration signal feature extraction)
采用EL-CENTRO地震波计算单自由体系的振动位移反应谱
- 本课程论文采用软件是MATLAB R2010a,所编程序应用的方法是线性加速度法。程序采用的是两层循环上实现位移谱的求取。内循环实现在地震波下由上一步所得到的位移、速度和加速度得到下一时间间隔后的位移速度和加速度;外循环实现在不同结构自振周期(频率)下遭遇地震波的响应。本文在求出相对位移反应谱的同时,也求出了相对速度反应谱、绝对加速度反应谱。
Newmark
- newmark方法求解非线性振动duffing方程-newmark method for solving nonlinear vibration duffing equations
116
- 针对柴油机振动信号的瞬时非线性特点, 提出采用柴油机振动信号的本征模函数( IMF) 分量进行特征频带识别的新方法。将柴油机振动信号经经验模态分解, 并去掉主要干扰因素所对应的IMF分量, 再将剩余IMF分量进行重构得到柴油机振动信号-For instantaneous nonlinear characteristics of vibration signals of diesel engine, the diesel engine vibration signal of the intrins
118
- 滚动轴承振动信号容易受 到随机噪声 的污染, 如 何去噪 成为滚动轴承故障诊断的关键问题之一。而传统的消噪方法可能会将信号中一些能量小的有用信号当作噪声消除, 本 文即提出 一种改进 的小波消噪方法-Rolling bearing vibration signals are easily influenced by the random noise pollution, such as any denoising become one of the key problems of rolling
Vibration-window
- 窗口上下5像素振动小程序,仿QQ聊天振屏。-Vibration window
Vibration-sensor--C51-program
- 振动传感器仿真图 及 振动传感器C51程序源代码-Vibration sensor and vibration sensor simulation diagram of C51 source code
vibration
- 振动分析matlab程序,用于固有频率振型求取。-vibration analysis matalb code
yxyffbc(dsb)
- 有限元方法fortran编程,包括二维三维线性非线性静态分析、稳定流瞬时流分析、振动问题、特征值问题、并行计算等。包含了所有子程序。-Finite element method fortran programming, including 2D and 3D linear and nonlinear static analysis, steady flow transient flow analysis, vibration problems, eigenvalue problems, para
Research-AR-on-vibration-signals
- 本算法程序基于实测汽轮机振动信号进行了测试及性能分析。理论分析及仿真结果表明,AR模型谱估计算法在阶次合适的情况下,能够取得较好的方差及分辨力性能,适合于振动信号的功率谱估计,且AIC准则为确定合理的模型阶次提供了有效依据。-This algorithm based on the measured turbine vibration signal testing and performance analysis. Theoretical analysis and simulation resul
sheet_metal_fangyuan
- 考虑液面晃动和液体可压缩影响时的柱水耦联振动-Consider the water column coupled vibration compressible liquid and liquid sloshing impact when
FFT
- 用于处理振动信号数据的傅立叶变换,以便生成频谱,为后期的求取频域特征值-fft change
swept-sine-vibration
- 基于ANSYS APDL二次开发的航电设备的动力学扫频分析,载荷输入条件为交越频率以下为恒定位移,交越频率以上为恒定加速度。我将加速度输入转换为位移输入,将位移和加速度两段输入载荷统一按照位移载荷输入,将位移存入表数组,利用ANSYS APDL自动将扫频范围内的位移载荷存入表数组,并循环加载计算,实现了该工程结构的正弦扫频振动分析。-Kinetic sweep analysis, load input conditions of secondary development based on AN
itd
- 随记减量法是从结构的随机振动响应信号中提取该结构自由衰减振动信号的一种方法-With the mind Reduction Act-Reduction Act is credited with random vibration response of the structure from the signal to extract the structure of a method-With free decay vibration signals the mind Reduction Act
itd12
- 随记减量法是从结构的随机振动响应信号中提取该结构自由衰减振动信号的一种方法-With the mind Reduction Act-Reduction Act is credited with random vibration response of the structure from the signal to extract the structure of a method-With free decay vibration signals the mind Reduction Act
2idt
- ITD进行模态识别,得到模态参数,ITD 法是一种单输入多输出、基于包含系统参数的自由振动方程识别结构参数的方法,-ITD modal identification, get the modal parameters.ITD method is a single-input multiple-output, based on the structure of the free vibration equation parameters include system identification
fengji
- 本人搭建的Matlab风电模型、直驱2MW的,研究塔架振动的-I set up the Matlab, 2 mw direct-drive wind model, the mode of vibration,PMSG